 This is Mark Anthony. Did you know that every three seconds someone needs blood? Or that each year more than four million Americans need blood transfusions? Just one blood donation from you saves up to three lives? It's easy. And size, shape, and color don't make a difference to those who receive it. Become a blood donor. For more information, call the American Association of Blood Banks at 1-866-FROM-YOU. That's 1-866-376-6968.